flat cartooon valentine day. happy couple sitting on a blimp enjoying valentine, a bird carrying an envelope

abstract advertising anniversary background balloon banner beautiful bird brochure calligraphy card celebration character concept couple cute day decoration design element envelope february flat friendship gift graphic greeting happy header heart holiday homepage illustration invitation isometric label landing layout letter lettering logo love marriage married offer page pattern people pink poster promotion propose red romance romantic rose sale script surprise symbol tag template text together typography valentine vector wallpaper web wedding